Japan is known as a convenience store paradise. In Japan, convenience stores are used to remove copies and pay water bills, and they are also used as public functions, so convenience stores are considered one of the infrastructure of daily life among Japanese people. If you want to pick the top 3 famous national wards, they are Seven-Eleven, Family Mart, and Lawson, but Seico Mart is overwhelming in Hokkaido. In Sapporo, Hokkaido's first city, there are many convenience stores, but outside of Sapporo, there is a world of Seikomart. However, the caveat of Seikomart is that it is open 24 hours a day even though it is a convenience store.